package com.ark.cloud.dataservices.auth.interceptor;

/**
 * Copyright(c): 2021 Cloud-Ark Inc.
 * Author(s): Ma Wei (mawei@cloud-ark.com)
 */

import com.alibaba.fastjson.JSON;
import com.ark.cloud.dataservices.common.exception.AuthErrorType;
import com.ark.cloud.dataservices.common.web.entity.Result;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 当未登录或者token失效访问接口时，自定义的返回结果
 */
@Component
public class RestAuthenticationEntryPoint implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        response.getWriter().write(JSON.toJSONString(Result.fail(AuthErrorType.INVALID_TOKEN)));
        response.getWriter().flush();
    }
}
